Detailed text transcripts for TV channel - MSNBC - 20180422:06:44:00
Court. >> the context was in there. you couldn't figure it out because it was a mess. >> the majority of it was in there, yes. we had to try to do the analysis on it, and that's what took so long. >> reporter: an awful lot of detective work amounts to reading. thousands of pages of reports and witness statements, and this and that all were followed up, everyone of them. detective mehl chased down a 2001 walmart receipt, a minor, forgettable purchase, except that the time stamp on the receipt cast doubt on philip barr's alibi didn't exactly wreck it, but it caught him in a significant lie. >> t...